JP4269085B2 - Launching ball detector for pachinko machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a launch ball detection device for a pachinko machine, and in particular, has little influence on the launch ball, has a simple structure and can be miniaturized, and reduces assembly man-hours and manufacturing costs. The present invention relates to a fireball detection device for a pachinko machine capable of performing the above.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, various shot ball detection devices have been proposed that detect a game ball that is erected in the game area from an open end of a rail that is erected on the front surface of a game board and guides a shot ball at the open end. For example, in the device for detecting a shot ball in a pachinko machine described in Japanese Utility Model Publication No. 3-781, it is provided at the open end of the guide rail of the shot ball mounted on the game board, and by the contact of the shot ball passing through the open end When the ball is released from the contact, the gate member rotates to the original position by its own weight and closes the open end, and the switch means operated by the rotation of the gate member due to the contact of the ball. A detection device is configured. Then, the projecting ball passing through the open end of the guide rail reaches the game area on the game board while contacting the gate member and rotating the gate member. On the other hand, the gate member activates the switch means during rotation by contact with the launch ball, and when released from the contact with the launch ball, returns to its own weight and closes the open end of the guide rail. This prevents the fire ball from returning to the guide rail again as a foul ball, and can prevent the fire ball from being detected redundantly.
[0003]
[Problems to be solved by the invention]
However, in the detection device for the launch ball in the pachinko machine described in the Japanese Utility Model Publication No. 3-781, the gate member is pivotally supported, so that if it continues to rotate for a long period of time, it will wear out such as a concentric axis. In addition, there is a problem that the wear powder is generated by the above, and the gate member does not rotate smoothly due to dust or the like adhering to the concentric axis, which may increase the influence on the launch ball due to contact with the gate member. In addition, a support metal fitting for supporting the detection switch is provided on the front side of the game board, or a detection switch is provided on the back side of the game board, so that the structure becomes complicated, and it is difficult to reduce the size of the detection device for the shot ball, There is a problem that the assembly work becomes complicated and the manufacturing cost increases.
[0004]
Accordingly, the present invention has been made to solve the above-mentioned problems, and the open end of the guide rail is closed by a ball return prevention member formed of a leaf spring or the like, and the ball return prevention by the contact of the launch ball is made. Since this open end is opened by the displacement of the member to the game area side, even if it is repeatedly displaced to the game area side by a long-time launch ball, the launch of a pachinko machine that can almost eliminate the influence on the launch ball An object of the present invention is to provide a sphere detection device. Further, since the displacement of the ball return preventing member toward the game area is detected by a light reflection type photoelectric switch fixed to the through hole of the game board, the structure is simplified and the size can be reduced, and the number of assembly steps can be reduced. An object of the present invention is to provide a fireball detecting device for a pachinko machine capable of reducing the manufacturing cost.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a fireball detecting device for a pachinko machine according to claim 1 is provided at a game area defined by an annular outer rail disposed on a front surface of a game board, and on a front surface of the game board. is erected at a distance from each other in the inside of the outer rail, the open end of the rail inner forms a guide path for guiding the shot ball between the outer rail, Rutotomoni tip provided to be elastically deformed to the game area side The portion is in contact with the outer rail, and is displaced from the initial position to the game area side by the contact of the launch ball passing through the open end, and when released from the contact, the game area is restored to the initial position by elasticity. A ball return prevention member formed of a plate spring having a predetermined width and having corrosion resistance to prevent the ball from returning from the side to the open end, and a guide formed at a position facing the open end of the inner rail of the plate spring provided so as to enter the road side, Serial plate and the game area is bent formed to the end surface of the formed the game board side of the plate portion so as to protrude in parallel to the guide path side and the front of the game board-side shutter portion of the spring, the ball return prevention in a state where the member is in the initial position, and the position boiled form made is with Ru covered by the shutter portion through hole facing the shutter portion of the game board, the front tip of the recreation board into the through hole and a detecting means composed of a light reflection type photoelectric switch which is fixed so as not to protrude from said detecting means detects a haunt of the shutter portion with respect to the light reflection type photoelectric switch, the light reflective the presence or absence of the detection signal of the shutter unit by the photoelectric switch, characterized that you detect the presence or absence of the outlet passage of the guide path of the shot ball.
[0006]
In the launch ball detecting device of the pachinko machine according to claim 1 having such a feature, the open end of the guide rail is closed by the ball return preventing member, and the game area of the leaf spring of the ball return preventing member by the contact of the shot ball This open end is opened by the lateral displacement. In addition, the protrusion / disengagement of the shutter portion provided at the position facing the open end of the inner rail on the game board side end face of the leaf spring of the ball return prevention member is formed at a position facing the shutter section of the game board. Detection is performed by a light reflection type photoelectric switch fixed in the through hole .
Thereby, the displacement of the ball return preventing member to the game area side due to the contact with the launch ball of the leaf spring is moved to a position facing the open end of the inner rail of the game board side end surface of the ball return preventing member. It is possible to detect the passage of the projecting ball by detecting the appearance of the provided shutter portion with the light reflection type photoelectric switch . Further, since the open end of the guide rail is closed by the leaf spring of the ball return preventing member , it is possible to prevent the fired ball from returning to the guide path again as a foul ball.
[0007]
[0008]
[0009]
[0010]
[0011]
[0012]
[0013]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a specific embodiment of a shot ball detecting device for a pachinko machine according to the present invention will be described in detail with reference to the drawings.
First, the overall configuration of the pachinko machine according to the present embodiment will be described with reference to FIG. FIG. 1 is a front view showing the entire pachinko machine according to the present embodiment.
In FIG. 1, a pachinko machine 1 is a so-called first type pachinko machine. In the pachinko machine 1, various structures such as a winning opening, a symbol display device, an electric accessory and a gate are arranged on the game board 2. Under the game board 2, an upper tray 3 for receiving a prize ball discharged through a not shown bowl is provided on the plate 4 with a built-in speaker 3 a. A lower tray 5 is disposed below the upper tray 3. The pachinko ball of the upper tray 3 is sent to a launching device (not shown) connected to the handle 6 via a ball feed mechanism (not shown) communicating with the upper tray 3.
On the other hand, on both shoulders of the game board 2, a prize ball and a ball-out display lamp 10, 10 are provided.
[0014]
On the other hand, the front side of the game board 2 is covered with a glass door 9 made of metal such as a steel plate or stainless steel, and the glass door 9 is attached to the front side of the frame body through a hinge member or the like so as to be opened and closed. It is attached to the front frame so that it can be opened and closed. Further, a glass holding frame made of metal such as a steel plate or stainless steel having an opening is fixed to the glass door 9 by spot welding or the like, and the game area can be viewed through the two glasses attached to the glass holding frame. Can do. Further, an error display lamp 7 for displaying an error during the game and hit indication lamps 8 for displaying “win” are attached to the upper right portion of the glass door 9.
[0015]
Further, the configuration of the game area 20 on the game board 2 in the pachinko machine 1 will be described. In this game area 20, each structure such as a prize opening is attached to a predetermined position on a game board 2 made of a plate material having a predetermined thickness, and an annular outer rail 11A and an inner rail 11B are attached so as to surround it. Is configured. The outer rail 11A and the inner rail 11B constitute an overlapping guide path 15 that guides the launched pachinko ball into the game area 20, and the right shoulder portion is driven along the outer rail 11A. Has a stepped portion 16 for restricting the progress of. The stepped portion 16 is provided with a pivoting rubber (not shown) that is pivotally supported.
Further, a launch ball detecting device 21 to be described later is provided at a position near the exit of the guide path 15 composed of the outer rail 11A and the inner rail 11B.
In addition, an LCD display 12 as a symbol display device is attached to the approximate center of the game area. The LCD display 12 is a liquid crystal panel that displays a fluctuating symbol divided into left, middle, and right, and is attached from the back side of the game board 2.
[0016]
A winning opening 18 is provided on the center line above the LCD display 12. On the winning opening 18, a character design of Kato tea, which is an image character, is drawn. When the winning opening 18 is won, a predetermined number of prize balls are discharged to the upper tray 3. Further, a variable symbol start memory display 13 is provided at the lower end of the LCD display 12. A first type starting port 19 is provided on the center line below the LCD display 12. When the first type starting port 19 is won, the roulette, which is a variation pattern of the LCD display 12, is rotated.
Further, below the LCD display 12, a large winning opening 17 that is a lower winning opening is provided. The big winning opening 17 has a door structure that opens and closes when a big hit is generated in the roulette in the LCD display 12.
[0017]
Next, the configuration of the shot ball detection device 21 of the pachinko machine 1 will be described with reference to FIG. FIG. 2 is an enlarged view of a main part showing the configuration of the fired ball detection device 21 of the pachinko machine 1 according to the present embodiment.
As shown in FIG. 2, the launch ball detecting device 21 has a ball return preventing member 23 formed of a thin steel plate for a plate spring or a phosphor bronze plate having a predetermined width, and a base end portion of the ball return preventing member 23 is fixed. And a light-reflective photoelectric switch 25 that detects the bending of the ball return prevention member 23 toward the game area 20 due to contact with the launched pachinko ball.
[0018]
The fixing member 22 is fixed by the nail 26 along the inner surface of the inner rail 11B tip portion on the game area 20 side. Further, the fixing member 22 has a groove portion 22A having a predetermined depth that is slightly deeper than a predetermined width of the ball return preventing member 23 from the end surface on the game board 2 side, and the ball return prevention by the front surface of the game board 2 and the groove portion 22A. A space in which the base end portion of the member 23 is inserted and fixed is formed. Further, the groove 22A has an opening at the front end side of the inner rail 11B, is bent slightly toward the inner rail 11 at a substantially central portion, and has an end formed in a substantially cylindrical shape.
[0019]
Further, the plate-like portion 23A of the ball return preventing member 23 is formed in a substantially arc shape. The ball return preventing member 23 has an arc of the plate-like portion 23A projecting toward the game area 20, and the edge of the base end portion is along the inner surface of the cylindrical portion formed at the end of the groove 22A. It is inserted in the groove 22A while being bent. Accordingly, the base end portion of the ball return preventing member 23 is urged and fixed to the game area 20 side by elasticity in the groove portion 22A, and the end surface of the plate-like portion 23A on the game board 2 side and the front surface of the game board 2 are fixed. A gap with a predetermined interval is formed between the two. Further, the tip of the plate-like portion 23A is substantially in contact with the outer rail 11A and closes the outlet of the guide path 15 to prevent the pachinko ball from returning from the game area 20 to the guide path 15 side.
Further, at the position near the inner rail 11B of the portion of the plate-like portion 23A facing the guide path 15, the end face on the game board 2 side is bent at a right angle on the guide path 15 side in parallel with the front surface of the game board 2. A substantially square shutter portion 23B is formed.
[0020]
Further, a through hole 24 (see FIG. 3) having a predetermined diameter is formed at a position of the game board 2 facing the shutter portion 23B. A light reflection type photoelectric switch 25 is fixed in the through hole 24 from the back side of the game board 2 so that the front end portion does not protrude from the front surface of the game board 2. The light reflection type photoelectric switch 25 outputs a detection signal indicating detection of light reflected from the shutter portion 23B when the shutter portion 23B is present in front of the tip portion. It functions as detection means for detecting the presence or absence of movement to the game area 20 side.
[0021]
Next, detection of the fired pachinko ball by the fired ball detecting device 21 configured as described above will be described with reference to FIG. FIG. 3 is an enlarged view of a main part showing a detection state of the launch ball detection device 21 of the pachinko machine 1 according to the present embodiment.
As shown in FIG. 3, the fired pachinko ball 27 comes into contact with the ball return prevention member 23 when reaching the exit of the guide path 15, and the plate-like portion 23 </ b> A facing the guide path 15 of the ball return prevention member 23. Is moved to the game area 20 side and proceeds along the inner surface of the outer rail 11A, and after the contact with the ball return preventing member 23 is lost, the game area 20 rolls and falls.
[0022]
Further, immediately before the pachinko ball 27 is separated from the ball return preventing member 23, the plate-like portion 23A of the ball return preventing member 23 is bent in a straight line from the opening portion of the fixing member 22 to the distal end portion toward the game area 20 side. Thus, the shutter portion 23B does not cover the front of the light reflection type photoelectric switch 25. In this case, the light reflection type photoelectric switch 25 does not output a detection signal indicating detection of the shutter unit 23B. And when the contact with the pachinko ball 27 is lost, the ball return preventing member 23 returns to the shape shown in FIG. That is, the shutter unit 23B covers the front of the light reflection type photoelectric switch 25. In this case, the detection signal indicating the detection of the shutter portion 23B is output from the light reflection type photoelectric switch 25 as described above. Therefore, the presence / absence of a detection signal indicating the detection of the shutter portion 23B by the light reflection type photoelectric switch 25 detects the presence / absence of the exit of the emitted pachinko ball through the guide path 15.
[0023]
As described above in detail, in the shot ball detecting device 21 of the pachinko machine 1 according to the present embodiment, the fixing member 22 to which the base end portion of the ball return preventing member 23 is fixed is a game at the front end portion of the inner rail 11B by the nail 26. It is fixed along the inner surface on the region 20 side. A ball return prevention member 23 formed of a stainless steel plate for thin plate springs, a phosphor bronze plate or the like having a predetermined width closes the exit of the guide path 15 and a shutter portion 23B bent toward the guide path 15 side It covers the front of the light reflection type photoelectric switch 25 fixed in the through hole 24 formed in the panel 2. Then, the plate-like portion 23A of the ball return prevention member 23 is bent toward the game area 20 by contact with the launched pachinko ball 27, and the shutter portion 23B moves toward the game area 20 to move to the light-reflective photoelectric switch 25. It will be in the state which does not cover the front of. Then, when the contact with the pachinko ball 27 is lost, the ball return preventing member 23 returns to its original shape, and the shutter portion 23B again covers the front of the light reflection type photoelectric switch 25.
[0024]
Therefore, since the ball return preventing member 23 is formed of a thin steel plate for a leaf spring, a phosphor bronze plate or the like, even if it is repeatedly bent by a firing ball for a long time, no wear powder or the like is generated, and the launched pachinko ball 27 It is possible to almost eliminate the influence on. In addition, since the plate-like portion 23A and the shutter portion 23B of the ball return preventing member 23 are formed of a thin stainless steel plate for a leaf spring, a phosphor bronze plate, or the like, the structure is simplified, downsizing and manufacturing cost reduction are possible. The launch ball detecting device 21 having excellent corrosion resistance can be configured.
Further, since the plate-like portion 23A is formed in a substantially arc shape protruding toward the game area 20, it is possible to prevent the fired pachinko ball 27 from returning to the guide path 15 again as a foul ball. At the same time, sufficient strength can be maintained.
Further, since the presence or absence of movement of the shutter portion 23B of the ball return preventing member 23 can be detected by the light reflecting photoelectric switch 25, the structure is simplified and the size can be reduced, and the number of assembling steps can be reduced and the manufacturing cost can be reduced. Is possible.
[0025]
Note that the present invention is not limited to the above-described embodiment, and various improvements and modifications can be made without departing from the scope of the present invention.
[0026]
【The invention's effect】
As described above, according to the present invention, the open end of the guide rail is closed by the ball return prevention member formed by the leaf spring, and the open end is opened by the displacement of the ball return prevention member to the game area side by the contact of the launch ball. Therefore, it is possible to provide a fired ball detection device for a pachinko machine that can substantially eliminate the influence on the fired ball even when it is repeatedly displaced toward the game area by the fired ball for a long time. Further, since the displacement of the ball return preventing member toward the game area side is detected by a light reflection type photoelectric switch fixed to the through hole of the game board, the structure becomes simple and the size can be reduced, and the number of assembly steps can be reduced. Thus, it is possible to provide a fireball detecting device for a pachinko machine that can reduce the manufacturing cost.
[Brief description of the drawings]
FIG. 1 is a front view showing an entire pachinko machine according to the present embodiment.
FIG. 2 is an enlarged view of a main part showing a configuration of a fired ball detection device for a pachinko machine according to the present embodiment.
FIG. 3 is an enlarged view of a main part showing a detection state of the shot ball detecting device of the pachinko machine according to the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Pachinko machine 2 Game board 11A Outer rail 11B Inner rail 15 Guide way 20 Game area 21 Launch ball detection apparatus 22 Fixing member 23 Ball return prevention member 23A Plate-like part 23B Shutter part 24 Through-hole 25 Light reflection type photoelectric switch

Claims (1)

A game area partitioned by an annular outer rail disposed on the front surface of the game board;
Elastically deformed toward the game area at the open end of the inner rail, which is provided on the front surface of the game board so as to be separated from the inner side of the outer rail and forms a guide path for guiding the launch ball with the outer rail. capable provided Rutotomoni tip is in contact with the outer rail, the initial displacement from the initial position to the play field side by contact of shot ball passing through the open end and is released from the contact by the elastic A ball return prevention member formed from a leaf spring of a predetermined width having corrosion resistance to return to the position and prevent the ball return from the game area side to the open end;
The game in said provided as to enter the open guideway is formed in a position facing the end of the rail, the plate plate portion formed to protrude to the game area side of the spring of the leaf spring a shutter portion bent parallel to the guide path side and the front of the game board from the end face of the panel side,
In a state where the ball return preventing member is in the initial position, and the position Similar shape made are through holes that Ru is covered by the shutter portion facing the shutter portion of the game board, the tip portion into the through hole wherein A detection means comprising a light reflection type photoelectric switch fixed so as not to protrude from the front of the game board ,
The detecting means detects the presence or absence of the shutter portion with respect to the light-reflective photoelectric switch, and the presence or absence of a detection signal of the shutter portion by the light-reflective photoelectric switch indicates whether or not the exit path of the projecting ball has passed through the guide path pachinko machine shot ball detection apparatus characterized that you detect.

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